↵^a Participants were children for whom complete data concerning fidgety movements at 3 months of age and the diagnosis of CP or the development of functional disability at 2 years of age were available; nonparticipants were 64 infants who were not examined during the fidgety period and 22 infants for whom data were lost. CNS=central nervous system, CP=cerebral palsy.

^b Other than low birth weight (<1,500 g), a gestational age of less than or equal to 32 weeks, or both.

^c Including bronchopulmonary dysplasia and neonatal respiratory distress syndrome.

^d Information on 3 nonparticipants was missing.